Zoe Diana Draelos, MD, is a consulting professor of dermatology, Duke University School of Medicine, Durham, N.C. She is investigator, Dermatology Consulting Services, High Point, N.C., and a Dermatology Times Editorial Advisor and co-medical editor.
Skin Health: The natural moisturizing factor, fatty acids and estrogen deficiency
August 16th 2018In this month's Cosmetic Conundrums column, Dr. Draelos addresses why fatty acids are essential in skin health, how best to treat estrogen deficient skin and she asks, "What is the skin natural moisturizing factor?"
The effect of antibacterials on the skin
February 13th 2018The microbiome is one of the most popular areas of skin research at present. Many dermatologic diseases are accompanied by abnormal microbiomes beginning with atopic dermatitis, says Dr. Zoe Diana Draelos in her monthly column, Cosmetic Conundrums.
Facial care advice for patients with acne
August 1st 2016Facial care advice for patients with acneWhile both benzoyl peroxide acne preparations and vitamin C products carry benefits in acne treatment, it’s wise to recall the characteristics of each element in advising patients on caring for their skin. Vitamin C is rapidly oxidized with exposure to air. Benzoyl peroxide is an oxidant. This is how Dr. Draelos suggests these products be used.
Thicker, creamier sunscreens may trigger acne-like problems
January 1st 2014Most patients that complain of acne within 48 hours of applying sunscreen probably are not experiencing true acne with follicular rupture, but rather irritant follicular contact dermatitis or possibly miliaria rubra and miliaria pustulosa. It may be worthwhile to suggest patients try a spray formulation.
Best shaving practices reduce occurrence of pseudofolliculitis barbae
August 1st 2012There is no doubt that shaving cream is important in preventing pseudofolliculitis barbae. The purpose of shaving cream is to reduce friction between the blade and the skin, prolong the life of the blade, soften the hair, and improve shave aesthetics.
Tips and tricks to prevent nail splitting, and info on popular shellacs
July 1st 2012How many times weekly does the dermatologist get asked about nail splitting? A lot. Most patients ask about fancy vitamins and nail polishes that claim to improve nail health. Remember that nail health is an appearance claim without substantiation, as the nonliving nails really cannot be healthy because they are dead!
Dermatology is at a trisection of science, art and policy that warrants further study
June 1st 2012The medical world is changing; this is fact. Exactly how these changes will translate into practice and affect dermatology is unclear. So unclear, in fact, that many are scrambling to address issues that may or may not be relevant as the model for healthcare delivery is debated on national, state and local levels. This leaves dermatology at the apex of a trisection between science, art and policy that warrants further inquiry.
Formulations 101: Exploring the science behind cosmetic products
September 1st 2009Dapsone has been an important antibiotic in dermatology, especially historically, in the treatment of leprosy. It has been used for both antimicrobial and anti-inflammatory purposes orally, but no topical preparation was ever available. This is because dapsone is neither water- nor oil-soluble, presenting a formulation challenge.
Damage control: Sunburn cell assay used to demonstrate antioxidant abilities of agents
August 1st 2009Antioxidants function to donate an electron to an unstable, highly energetic oxygen species. Thus, they prevent damage. In order to determine the value of a certain antioxidant ingredient, it is necessary to have an evidenced-based, validated method for comparison.